Where can I verify CityFibre Infrastructure Holdings's Companies House registration?

Companies House lists CityFibre Infrastructure Holdings Limited under company number 8772997. Open the official record using the Companies House link on this page.

What coverage note is on file for CityFibre Infrastructure Holdings?

Our dataset records: UK - 80+ towns and cities nationwide (excl. London core and Hull)

Is CityFibre Infrastructure Holdings in the BroadbandSwitch postcode comparison tool?

No. This provider is not currently among those we return in the postcode comparison tool. You can still compare other providers we list.

What does verification status mean on this profile?

This profile's verification status in our directory is recorded as: verified. That reflects our internal checks against the sources linked on this page, not a government endorsement.

Does this directory flag CityFibre Infrastructure Holdings as Ofcom-registered?

Yes. We record this provider as Ofcom-registered (General Conditions of entitlement). For complaints or disputes, follow the dispute route and Ofcom guidance that apply to your situation.

Does this directory record ISPA Code of Practice adherence?

Yes. The ISPA Code of Practice field is set to yes in our dataset for this provider.

What is the BroadbandSwitch verification score?

It is an internal score from 1 to 10 based on how thoroughly we have checked Companies House, regulator and trade-body fields, and independent review data where available. It is not a measure of customer satisfaction.

CityFibre Infrastructure Holdings: Altnet · London

CityFibre Infrastructure Holdings

Legally trading as CityFibre Infrastructure Holdings Limited

CityFibre Infrastructure Holdings (est. 2013) is a UK altnet delivering full fibre broadband, offering an alternative to the traditional Openreach network.

Not yet verified on Trustpilot We add a score once we have confirmed a live Trustpilot profile and a rating on file.

About CityFibre Infrastructure Holdings

This profile is built from our broadband market dataset and the sources linked on this page. We do not repeat unchecked marketing claims; numbers and dates match fields on file or linked evidence.

CityFibre Infrastructure Holdings (est. 2013) is a UK altnet delivering full fibre broadband, offering an alternative to the traditional Openreach network.

Independent profile snapshot

This extended snapshot summarises how the provider presents itself in the UK market. It supplements the dataset-led summary above.

CityFibre Infrastructure Holdings Limited is the infrastructure holding entity within the wider CityFibre Group, the UK's largest independent full-fibre wholesale platform, registered at Companies House (08772997) at 15 Bedford Street, London WC2E 9HE and incorporated on 13 November 2013. Classified under SIC 61900 (Other telecommunications activities), the holding company sits within the CityFibre corporate structure beneath parent investors Antin Infrastructure Partners, Goldman Sachs Alternatives, Mubadala Investment Company, Interogo Holding, Newlight Partners and PATRIZIA's European Infrastructure Fund II, supporting the group's £2.3bn July 2025 financing round (£500m equity, £960m debt expansion and £800m accordion facility). CityFibre Infrastructure Holdings is the entity that underpins the wider group's £4.9bn 2022 debt raise and its ongoing capital structure, supporting the roll-out of the UK's most advanced 10Gb XGS-PON full-fibre network reaching 4.7+ million premises en route to 8 million+. The holding company is not consumer-facing; retail services are delivered by over 35 ISP partners (Sky, Vodafone, TalkTalk, Zen, YouFibre and more) over the CityFibre wholesale network.

Key details

Year founded2013

ISPA member Listed member View ISPA members directory →

Parent companyAntin Infrastructure Partners + WPP + Mubadala

Legal name CityFibre Infrastructure Holdings Limited Companies House 8772997 →

Directors

Nicholas James Dunn, Sharon Emma Flood, Simon Holden, Steve Holliday, Mark Nicholas Morris

Check availability in your area

This provider is not yet in our postcode comparison tool. Visit cityfibre.com to check availability directly.

What stands out

UK's 3rd-largest full fibre infrastructure (4.1m+ premises)
Wholesale multi-ISP model supporting TalkTalk, Vodafone, Sky, Zen
XGS-PON 10Gbps capable
Major investor-backed

Recognition

Connected Britain Awards
ISPA Wholesale Network of the Year

Technologies on file

These labels come from our directory data for this provider. Short explanations below describe the technology terms in general; they are not a statement about availability at your address.

FTTP (parent) Full fibre to your door. Fastest and most reliable.

Coverage

UK - 80+ towns and cities nationwide (excl. London core and Hull)

CityFibre Infrastructure Holdings is not yet in our postcode comparison tool. Check availability on their website, or see which providers we can compare at your postcode.

If something goes wrong

Here is where CityFibre Infrastructure Holdings sits within the UK consumer protection framework.

Regulator: Ofcom. Sets the General Conditions that CityFibre Infrastructure Holdings must follow.
Industry code: Operates under the ISPA Code of Practice.
Security: Cyber Essentials: Yes (NCSC Cyber Essentials certified)

Questions and answers

Straight answers from our directory fields for CityFibre Infrastructure Holdings. If you need live pricing or availability, use the postcode tool or the provider link above.

Where can I verify CityFibre Infrastructure Holdings's Companies House registration?: Companies House lists CityFibre Infrastructure Holdings Limited under company number 8772997. Open the official record using the Companies House link on this page.
What coverage note is on file for CityFibre Infrastructure Holdings?: Our dataset records: UK - 80+ towns and cities nationwide (excl. London core and Hull)
Is CityFibre Infrastructure Holdings in the BroadbandSwitch postcode comparison tool?: No. This provider is not currently among those we return in the postcode comparison tool. You can still compare other providers we list.
What does verification status mean on this profile?: This profile's verification status in our directory is recorded as: verified. That reflects our internal checks against the sources linked on this page, not a government endorsement.
Does this directory flag CityFibre Infrastructure Holdings as Ofcom-registered?: Yes. We record this provider as Ofcom-registered (General Conditions of entitlement). For complaints or disputes, follow the dispute route and Ofcom guidance that apply to your situation.
Does this directory record ISPA Code of Practice adherence?: Yes. The ISPA Code of Practice field is set to yes in our dataset for this provider.
What is the BroadbandSwitch verification score?: It is an internal score from 1 to 10 based on how thoroughly we have checked Companies House, regulator and trade-body fields, and independent review data where available. It is not a measure of customer satisfaction.

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